Question 1

In response to tissue damage and infection,circulating proteins called pyrogens

Accepted Answer

A) cause inflammation. 
B) produce a fever. 
C) activate complement. 
D) opsonize pathogens. 
E) activate antibodies. 
A) cause inflammation. 
B) produce a fever. 
C) activate complement. 
D) opsonize pathogens. 
E) activate antibodies. B

Question 2

________ are connective tissues dominated by lymphocytes.

Accepted Answer

A) Dendritic cells 
B) Afferent lymphatics 
C) Lymphoid tissues 
D) Palatine tonsils 
E) None of the answers is correct. 
A) Dendritic cells 
B) Afferent lymphatics 
C) Lymphoid tissues 
D) Palatine tonsils 
E) None of the answers is correct. C

Question 3

A child falls off her bike and skins her knee.Which form of immunity will be activated immediately?

Accepted Answer

A) Innate immunity 
B) Adaptive immunity 
C) Cell-mediated immunity 
D) Antibody-mediated immunity 
A) Innate immunity 
B) Adaptive immunity 
C) Cell-mediated immunity 
D) Antibody-mediated immunity A

Question 4

The thoracic duct originates from an expanded chamber called the

Accepted Answer

A) lymph node. 
B) azygos. 
C) hilum. 
D) bronchomediastinal trunk. 
E) cisterna chyli. 
A) lymph node. 
B) azygos. 
C) hilum. 
D) bronchomediastinal trunk. 
E) cisterna chyli.

Question 5

Class II MHC molecules are found only on which of the following?

Accepted Answer

A) all body cells with a nucleus 
B) red blood cells 
C) granulocytes and microphages 
D) lymphocytes and antigen-presenting cells 
E) liver cells and macrophages in the spleen 
A) all body cells with a nucleus 
B) red blood cells 
C) granulocytes and microphages 
D) lymphocytes and antigen-presenting cells 
E) liver cells and macrophages in the spleen

Question 6

Explain the function of cytokines secreted by helper T cells.

Accepted Answer

A) Cytokines secreted by helper T cells stimulate the innate immunity only. 
B) Cytokines secreted by helper T cells stimulate the cell-mediated adaptive immunity only. 
C) Cytokines secreted by helper T cells stimulate the antibody-mediated adaptive immunity only. 
D) Cytokines secreted by helper T cells stimulate the cell-mediated adaptive immunity and antibody-mediated adaptive immunity. 
E) Cytokines secreted by helper T cells stimulate NK cells only. 
A) Cytokines secreted by helper T cells stimulate the innate immunity only. 
B) Cytokines secreted by helper T cells stimulate the cell-mediated adaptive immunity only. 
C) Cytokines secreted by helper T cells stimulate the antibody-mediated adaptive immunity only. 
D) Cytokines secreted by helper T cells stimulate the cell-mediated adaptive immunity and antibody-mediated adaptive immunity. 
E) Cytokines secreted by helper T cells stimulate NK cells only.

Question 7

The lymphatic system is composed of all of the following except

Accepted Answer

A) the appendix. 
B) the venae cavae. 
C) the spleen. 
D) red bone marrow. 
E) lymph. 
A) the appendix. 
B) the venae cavae. 
C) the spleen. 
D) red bone marrow. 
E) lymph.

Question 8

Immunoglobulins that are most abundant and are responsible for resistance against many viruses,bacteria,and bacterial toxins are

Accepted Answer

A) IgA. 
B) IgD. 
C) IgE. 
D) IgG. 
E) IgM. 
A) IgA. 
B) IgD. 
C) IgE. 
D) IgG. 
E) IgM.

Question 9

Describe the gross anatomy of the thymus.

Accepted Answer

A) The thymus is a deep red,elongated organ covered by a capsule.It is soft and contains indentations for the organs surrounding it. 
B) The thymus is a bean-shaped organ covered by a capsule with multiple afferent vessels and a single efferent vessel delivering lymph to it. 
C) The thymus is an aggregate of lymphoid tissue without a capsule embedded in the epithelial lining of various organs. 
D) The thymus is the largest visceral organ.It is a firm and reddish brown organ containing 4 lobes. 
E) The thymus is a pink,grainy organ covered by a capsule that divides it into two lobes,which divide further into lobules. 
A) The thymus is a deep red,elongated organ covered by a capsule.It is soft and contains indentations for the organs surrounding it. 
B) The thymus is a bean-shaped organ covered by a capsule with multiple afferent vessels and a single efferent vessel delivering lymph to it. 
C) The thymus is an aggregate of lymphoid tissue without a capsule embedded in the epithelial lining of various organs. 
D) The thymus is the largest visceral organ.It is a firm and reddish brown organ containing 4 lobes. 
E) The thymus is a pink,grainy organ covered by a capsule that divides it into two lobes,which divide further into lobules.

Question 10

Adaptive immunity is the result of the actions of

Accepted Answer

A) NK cells. 
B) T and B cells. 
C) mast cells. 
D) antigen-antibody complexes. 
E) interferons. 
A) NK cells. 
B) T and B cells. 
C) mast cells. 
D) antigen-antibody complexes. 
E) interferons.

Question 11

Which of the following concerning Class I MHC proteins is false?

Accepted Answer

A) bind complement 
B) allow the body to differentiate its own antigens from foreign antigens 
C) function in antigen presentation 
D) display abnormal peptides on the plasma membrane 
E) are found on all nucleated cells 
A) bind complement 
B) allow the body to differentiate its own antigens from foreign antigens 
C) function in antigen presentation 
D) display abnormal peptides on the plasma membrane 
E) are found on all nucleated cells

Question 12

The primary function of the lymphatic system is

Accepted Answer

A) circulation of nutrients. 
B) the transport of hormones. 
C) defending the body against both environmental hazards and internal threats. 
D) the production and distribution of plasma proteins. 
E) both the transport of hormones and the production and distribution of plasma proteins. 
A) circulation of nutrients. 
B) the transport of hormones. 
C) defending the body against both environmental hazards and internal threats. 
D) the production and distribution of plasma proteins. 
E) both the transport of hormones and the production and distribution of plasma proteins.

Question 13

Which cells are responsible for antibody-mediated immunity?

Accepted Answer

A) natural killer cells 
B) dendritic cells 
C) epithelial reticular cells 
D) B cells 
E) T cells 
A) natural killer cells 
B) dendritic cells 
C) epithelial reticular cells 
D) B cells 
E) T cells

Question 14

The attraction or repulsion of certain cells to chemicals in their environment is called

Accepted Answer

A) chemotaxis. 
B) diapedesis. 
C) phagocytosis. 
D) apoptosis. 
E) immune surveillance. 
A) chemotaxis. 
B) diapedesis. 
C) phagocytosis. 
D) apoptosis. 
E) immune surveillance.

Question 15

The movement of phagocytes through the capillary wall is called

Accepted Answer

A) chemotaxis. 
B) diapedesis. 
C) phagocytosis. 
D) apoptosis. 
E) involution. 
A) chemotaxis. 
B) diapedesis. 
C) phagocytosis. 
D) apoptosis. 
E) involution.

Question 16

Cytotoxic T cells attack target cells by doing what?

Accepted Answer

A) secreting a strong acid 
B) secreting organic solvent 
C) secreting free radicals 
D) activating genes that trigger apoptosis 
E) secreting mutant proteins 
A) secreting a strong acid 
B) secreting organic solvent 
C) secreting free radicals 
D) activating genes that trigger apoptosis 
E) secreting mutant proteins

Question 17

The classic pathway of complement activation begins when the complement protein binds to

Accepted Answer

A) the cell wall of bacteria. 
B) the plasma membrane of bacteria. 
C) an antibody attached to an antigen. 
D) a cell surface antigen. 
E) a plasma protein. 
A) the cell wall of bacteria. 
B) the plasma membrane of bacteria. 
C) an antibody attached to an antigen. 
D) a cell surface antigen. 
E) a plasma protein.

Question 18

The effects of activating the complement system include all of the following except

Accepted Answer

A) destruction of target cell plasma membranes. 
B) stimulation of inflammation. 
C) inhibition of the immune response. 
D) enhanced phagocytosis. 
E) histamine release. 
A) destruction of target cell plasma membranes. 
B) stimulation of inflammation. 
C) inhibition of the immune response. 
D) enhanced phagocytosis. 
E) histamine release.

Question 19

During a primary response to antigen exposure,all of the following occur except

Accepted Answer

A) the antigen must activate appropriate B cells. 
B) B cells may take time to develop into plasma cells and memory cells. 
C) antibody levels do not peak until 1 to 2 weeks after the initial exposure. 
D) neutrophils invade the surrounding areas,releasing chemotactic substances. 
E) the first immunoglobulins to appear in circulation are of the IgM type. 
A) the antigen must activate appropriate B cells. 
B) B cells may take time to develop into plasma cells and memory cells. 
C) antibody levels do not peak until 1 to 2 weeks after the initial exposure. 
D) neutrophils invade the surrounding areas,releasing chemotactic substances. 
E) the first immunoglobulins to appear in circulation are of the IgM type.

Question 20

The cells directly responsible for cell-mediated immunity are the ________ cells.

Accepted Answer

A) B 
B) plasma 
C) NK 
D) T 
E) interferon 
A) B 
B) plasma 
C) NK 
D) T 
E) interferon

Exam 20: The Lymphatic System and Immunity

In response to tissue damage and infection,circulating proteins called pyrogens

________ are connective tissues dominated by lymphocytes.

A child falls off her bike and skins her knee.Which form of immunity will be activated immediately?

The thoracic duct originates from an expanded chamber called the

Class II MHC molecules are found only on which of the following?

Explain the function of cytokines secreted by helper T cells.

The lymphatic system is composed of all of the following except

Immunoglobulins that are most abundant and are responsible for resistance against many viruses,bacteria,and bacterial toxins are

Describe the gross anatomy of the thymus.

Adaptive immunity is the result of the actions of

Which of the following concerning Class I MHC proteins is false?

The primary function of the lymphatic system is

Which cells are responsible for antibody-mediated immunity?

The attraction or repulsion of certain cells to chemicals in their environment is called

The movement of phagocytes through the capillary wall is called

Cytotoxic T cells attack target cells by doing what?

The classic pathway of complement activation begins when the complement protein binds to

The effects of activating the complement system include all of the following except

During a primary response to antigen exposure,all of the following occur except

The cells directly responsible for cell-mediated immunity are the ________ cells.

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Skeleton

Joints

Skeletal Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain, cranial Nerves, and Sensory and Motor Pathways

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Heart and Cardiovascular Function

Blood Vessels and Circulation

The Respiratory System

The Digestive System

Metabolism, nutrition, and Energetics

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Development and Inheritance

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